From b21a96e14b7dba7e6d59beb946785c2f7fabc16e Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sun, 29 Nov 2009 20:06:48 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1365 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/haltmp/platforms/STM32/stm32_dma.c | 92 ----------------------------------- 1 file changed, 92 deletions(-) delete mode 100644 os/haltmp/platforms/STM32/stm32_dma.c (limited to 'os/haltmp/platforms/STM32/stm32_dma.c') diff --git a/os/haltmp/platforms/STM32/stm32_dma.c b/os/haltmp/platforms/STM32/stm32_dma.c deleted file mode 100644 index e7574b75d..000000000 --- a/os/haltmp/platforms/STM32/stm32_dma.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio. - - This file is part of ChibiOS/RT. - - ChibiOS/RT is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - ChibiOS/RT is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . -*/ - -/** - * @file stm32_dma.c - * @brief STM32 DMA helper driver code - * @addtogroup STM32_DMA - * @{ - */ - -#include "ch.h" -#include "hal.h" - -static cnt_t dmacnt1; -#if defined(STM32F10X_HD) || defined (STM32F10X_CL) -static cnt_t dmacnt2; -#endif - -/** - * @brief STM32 DMA helper initialization. - */ -void dmaInit(void) { - - dmacnt1 = 0; -#if defined(STM32F10X_HD) || defined (STM32F10X_CL) - dmacnt2 = 0; -#endif -} - -/** - * @brief Enables the specified DMA controller clock. - * - * @param[in] dma the DMA controller id - */ -void dmaEnable(uint32_t dma) { - - switch (dma) { - case DMA1_ID: - if (dmacnt1++ == 0) { - RCC->AHBENR |= RCC_AHBENR_DMA1EN; - DMA1->IFCR = 0x0FFFFFFF; - } - break; -#if defined(STM32F10X_HD) || defined (STM32F10X_CL) - case DMA2_ID: - if (dmacnt2++ == 0) { - RCC->AHBENR |= RCC_AHBENR_DMA2EN; - DMA2->IFCR = 0x0FFFFFFF; - } - break; -#endif - } -} - -/** - * @brief Disables the specified DMA controller clock. - * - * @param[in] dma the DMA controller id - */ -void dmaDisable(uint32_t dma) { - - switch (dma) { - case DMA1_ID: - if (--dmacnt1 == 0) - RCC->AHBENR &= ~RCC_AHBENR_DMA1EN; - break; -#if defined(STM32F10X_HD) || defined (STM32F10X_CL) - case DMA2_ID: - if (--dmacnt2 == 0) - RCC->AHBENR &= ~RCC_AHBENR_DMA2EN; - break; -#endif - } -} - -/** @} */ -- cgit v1.2.3